To the Editor: Dr Yan and colleagues1 found that that the psychological variables of
time urgency/impatience and hostility were associated with an increased 15-year
risk of developing hypertension in young adults. However, the authors had
previously reported that these data showed that hostility was not related
to blood pressure (BP) at 7 years of follow-up, or was perhaps even inversely
related.2 Although the current article followed
up these individuals for a longer period of time, one would have expected
at least a trend in the same direction after 7 years.